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| author | Denys Vlasenko <vda.linux@googlemail.com> | 2017-01-11 16:17:59 +0100 |
|---|---|---|
| committer | Denys Vlasenko <vda.linux@googlemail.com> | 2017-01-11 16:17:59 +0100 |
| commit | 01ccdd1d3c5221789f1ac62ced12b7984d910705 (patch) | |
| tree | a6eb44f24c1324ddf18bfcec57fd4c3735aa1245 /miscutils/conspy.c | |
| parent | 8944c67b1f61ca6a51a485772d5d1e6a8ff3d83d (diff) | |
| download | busybox-01ccdd1d3c5221789f1ac62ced12b7984d910705.tar.gz | |
libbb: consolidate the code to set termios unbuffered mode
function old new delta
set_termios_to_raw - 116 +116
count_lines 72 74 +2
powertop_main 1458 1430 -28
top_main 943 914 -29
more_main 759 714 -45
fsck_minix_main 2969 2921 -48
conspy_main 1197 1135 -62
rawmode 99 36 -63
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 1/6 up/down: 118/-275) Total: -157 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'miscutils/conspy.c')
| -rw-r--r-- | miscutils/conspy.c | 17 |
1 files changed, 7 insertions, 10 deletions
diff --git a/miscutils/conspy.c b/miscutils/conspy.c index d9d09d482..1f0278b47 100644 --- a/miscutils/conspy.c +++ b/miscutils/conspy.c @@ -363,7 +363,6 @@ int conspy_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; int conspy_main(int argc UNUSED_PARAM, char **argv) { char tty_name[sizeof(DEV_TTY "NN")]; - struct termios termbuf; unsigned opts; unsigned ttynum; int poll_timeout_ms; @@ -414,16 +413,14 @@ int conspy_main(int argc UNUSED_PARAM, char **argv) bb_signals(BB_FATAL_SIGS, cleanup); - // All characters must be passed through to us unaltered G.kbd_fd = xopen(CURRENT_TTY, O_RDONLY); - tcgetattr(G.kbd_fd, &G.term_orig); - termbuf = G.term_orig; - termbuf.c_iflag &= ~(BRKINT|INLCR|ICRNL|IXON|IXOFF|IUCLC|IXANY|IMAXBEL); - //termbuf.c_oflag &= ~(OPOST); - no, we still want \n -> \r\n - termbuf.c_lflag &= ~(ISIG|ICANON|ECHO); - termbuf.c_cc[VMIN] = 1; - termbuf.c_cc[VTIME] = 0; - tcsetattr(G.kbd_fd, TCSANOW, &termbuf); + + // All characters must be passed through to us unaltered + set_termios_to_raw(G.kbd_fd, &G.term_orig, 0 + | TERMIOS_CLEAR_ISIG // no signals on ^C ^Z etc + | TERMIOS_RAW_INPUT // turn off all input conversions + ); + //Note: termios.c_oflag &= ~(OPOST); - no, we still want \n -> \r\n poll_timeout_ms = 250; while (1) { |